Seiko Cal. 4436 - 144

The Seiko 4436-144 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-7d460b02c692]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1968

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